208431040

素因数分解:

$2^6\times 5^1\times {\mathrm{651347}}^1$

素因数の和:651364

約数の個数: 28

約数和(自身を含む): 496327176

約数和(自身を除く): 287896136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 651347, 1302694, 2605388, 3256735, 5210776, 6513470, 10421552, 13026940, 20843104, 26053880, 41686208, 52107760, 104215520, 208431040]

約数ペア:

[(1, 208431040), (2, 104215520), (4, 52107760), (5, 41686208), (8, 26053880), (10, 20843104), (16, 13026940), (20, 10421552), (32, 6513470), (40, 5210776), (64, 3256735), (80, 2605388), (160, 1302694), (320, 651347)]